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Diffstat (limited to 'src/gallium/drivers/r300/r300_state.c')
-rw-r--r--src/gallium/drivers/r300/r300_state.c41
1 files changed, 34 insertions, 7 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index 2adb3e7221b..2309f353268 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -444,6 +444,8 @@ static void*
(state->stencil[0].writemask << R300_STENCILWRITEMASK_SHIFT);
if (state->stencil[1].enabled) {
+ dsa->two_sided = TRUE;
+
dsa->z_buffer_control |= R300_STENCIL_FRONT_BACK;
dsa->z_stencil_control |=
(r300_translate_depth_stencil_function(state->stencil[1].func) <<
@@ -455,14 +457,16 @@ static void*
(r300_translate_stencil_op(state->stencil[1].zfail_op) <<
R300_S_BACK_ZFAIL_OP_SHIFT);
- if (caps->is_r500)
- {
+ dsa->stencil_ref_bf =
+ (state->stencil[1].valuemask << R300_STENCILMASK_SHIFT) |
+ (state->stencil[1].writemask << R300_STENCILWRITEMASK_SHIFT);
+
+ if (caps->is_r500) {
dsa->z_buffer_control |= R500_STENCIL_REFMASK_FRONT_BACK;
- dsa->stencil_ref_bf =
- (state->stencil[1].valuemask <<
- R300_STENCILMASK_SHIFT) |
- (state->stencil[1].writemask <<
- R300_STENCILWRITEMASK_SHIFT);
+ } else {
+ dsa->stencil_ref_bf_fallback =
+ (state->stencil[0].valuemask != state->stencil[1].valuemask ||
+ state->stencil[0].writemask != state->stencil[1].writemask);
}
}
}
@@ -483,13 +487,33 @@ static void*
return (void*)dsa;
}
+static void r300_update_stencil_ref_fallback_status(struct r300_context *r300)
+{
+ struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state;
+
+ if (r300->screen->caps.is_r500) {
+ return;
+ }
+
+ r300->stencil_ref_bf_fallback =
+ dsa->stencil_ref_bf_fallback ||
+ (dsa->two_sided &&
+ r300->stencil_ref.ref_value[0] != r300->stencil_ref.ref_value[1]);
+}
+
/* Bind DSA state. */
static void r300_bind_dsa_state(struct pipe_context* pipe,
void* state)
{
struct r300_context* r300 = r300_context(pipe);
+ if (!state) {
+ return;
+ }
+
UPDATE_STATE(state, r300->dsa_state);
+
+ r300_update_stencil_ref_fallback_status(r300);
}
/* Free DSA state. */
@@ -503,8 +527,11 @@ static void r300_set_stencil_ref(struct pipe_context* pipe,
const struct pipe_stencil_ref* sr)
{
struct r300_context* r300 = r300_context(pipe);
+
r300->stencil_ref = *sr;
r300->dsa_state.dirty = TRUE;
+
+ r300_update_stencil_ref_fallback_status(r300);
}
/* This switcheroo is needed just because of goddamned MACRO_SWITCH. */